C. Crowtiier 141 



difficult to interpret. It may possibly be associated with, the system 

 of feeding adopted whicli ensured equal consumption as contrasted 

 with the equal chance of food which ordinary methods of group feeding 

 give to each individual. This may also have contributed to the general 

 low variability in the gains produced. 



Obviously the number of animals concerned is so very small that 

 the results cannot be regarded as in any way affecting the validity of 

 the conclusions arrived at from the analysis of more extensive data 

 but they may serve, in conjunction with the American data for separate 

 litters quoted above, to suggest the desirabihty of a closer study of the 

 possibilities of the pig as an instrument for the measurement of small 

 differences in nutritive value. 



{Received February Qth, 1915.) 



